sibelius

// @flow
import { ConnectionHandler } from 'relay-runtime';
import { isObject, isArray } from 'lodash/fp';

export function listRecordRemoveUpdater({ parentId, itemId, parentFieldName, store }) {
  const parentProxy = store.get(parentId);
  const items = parentProxy.getLinkedRecords(parentFieldName);

  parentProxy.setLinkedRecords(items.filter(record => record._dataID !== itemId), parentFieldName);
}

kangax

/*

  A collection of tests where Flow and TypeScript might have different behavior
  Some tests are borrowed from https://github.com/vkurchatkin/typescript-vs-flow
  Some tests now have the same behavior as the new versions of Flow/TS have fixed the bugs and improved type safety

*/


/* 1. Accessing unknown properties on objects */

robrichard

Using @defer under an array field will return multiple patches. Patches are unique combinations of label and path

{
  items {
    id
    ...frag @defer(label: "my-label")
  }
}

faruken

#!/bin/sh

# Slightly modified to meet ArangoDB's needs. https://github.com/lumerit/s3-shell-backups

NOWDATE=`date +%Y-%m-%d`
LASTDATE=$(date +%Y-%m-%d --date='1 week ago')

USERNAME="${ARANGODB_USERNAME}"
PASSWORD="${ARANGODB_PASSWORD}"
DATABASE='dbname'

Manishearth

#![recursion_limit = "300000"]

type CellType = u8;
const MEM_SIZE: usize = 30_000;

macro_rules! Hodor_impl {
    /*
    
    # Loop Extraction
    

davidpark-blade

git archive --format=zip HEAD `git diff HEAD~1..HEAD --name-only --diff-filter=d  | grep -E 'config/locales/.+\.yml|frontend/translations/.+\.js'` > files-changed-to-translate.zip
// change 1 to number of commits in pr

miyaokamarina

// Licensed under CC BY 4.0.

type $If<X: boolean, Then, Else = empty> = $Call<
    & ((true, Then, Else) => Then)
    & ((false, Then, Else) => Else),
    X,
    Then,
    Else,
>;

klaaspieter

From time to time, Musk will send out an e-mail to the entire company to enforce a new policy or let them know about something that's bothering him. One of the more famous e-mails arrived in May 2010 with the subject line: Acronyms Seriously Suck:

There is a creeping tendency to use made up acronyms at SpaceX. Excessive use of made up acronyms is a significant impediment to communication and keeping communication good as we grow is incredibly important. Individually, a few acronyms here and there may not seem so bad, but if a thousand people are making these up, over time the result will be a huge glossary that we have to issue to new employees. No one can actually remember all these acronyms and people don't want to seem dumb in a meeting, so they just sit there in ignorance. This is particularly tough on new employees.

That needs to stop immediately or I will take drastic action - I have given enough warning over the years. Unless an acronym is approved by me, it should not enter the SpaceX glossary.

isaacs

# Hello, and welcome to makefile basics.
#
# You will learn why `make` is so great, and why, despite its "weird" syntax,
# it is actually a highly expressive, efficient, and powerful way to build
# programs.
#
# Once you're done here, go to
# http://www.gnu.org/software/make/manual/make.html
# to learn SOOOO much more.

gaearon

function mapValues(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    result[key] = fn(obj[key], key);
    return result;
  }, {});
}

function pick(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    if (fn(obj[key])) {